I do quite a bit of exercise. 1 hours zumba on Monday with a 45 spin class afterwards. 2 x 45 spin classes back to back on wednesday. Thursday 1 hour body pump (weights & aerobics) friday 2 x 45 min spin classes. The way I eat does not affect me being able to exercise & I believe it has increased my inch loss when the scales have decided not to budge. I started Atkins early January for the first time & started the exercise regime back in November. Dont know if that helps you any?